PubMed:32064853 / 1288-1294
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T247","span":{"begin":0,"end":6},"obj":"IN"}],"text":"across"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok279","span":{"begin":0,"end":6},"obj":"IN"}],"text":"across"}